Schema:
Document_Types (document_type_code, document_description)
Documents (document_id, document_type_code, grant_id, sent_date, response_received_date, other_details)
Grants (grant_id, organisation_id, grant_amount, grant_start_date, grant_end_date, other_details)
Organisation_Types (organisation_type, organisation_type_description)
Organisations (organisation_id, organisation_type, organisation_details)
Project_Outcomes (project_id, outcome_code, outcome_details)
Project_Staff (staff_id, project_id, role_code, date_from, date_to, other_details)
Projects (project_id, organisation_id, project_details)
Research_Outcomes (outcome_code, outcome_description)
Research_Staff (staff_id, employer_organisation_id, staff_details)
Staff_Roles (role_code, role_description)
Tasks (task_id, project_id, task_details, eg Agree Objectives)
Please answer with SQL.